Transitioning from one system to another can always be a challenging one, since there are a great number of variables that get thrown into the situation. With the Propane to Natural Gas Conversion Kit, you have a tool that is capable of making sure that the entire process is straightforward as well as ends the way that you and your family would like. It is designed to be used with Rear Vent 33 Inch CDV Direct Vent Gas Fireplaces with Signature Command Control Systems, giving to you a product that is more than capable of meeting your needs.